Upper-creasing machine.



J. CAVANAGH. UPPER CREASING MACHINE. APPLICATION FILED APR. 3, 1911.

1 ,009,721 Patented Nov. 28, 1911.

2 SHEETS-SHEET 1.

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J. CAVANAGH.

UPPER CREASING MACHINE.

APPLIGATION TILED APR. 3, 1911.

1,009,721. Patnted Nov. 28, 1911.

2 SHEETS-'SHEET 2.

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UNITED STATES PATENT OFFICE.

JAMES GAVANAGI-I, 0F BOSTON, MASSACHUSETTS, ASSIGNOR TO UNITED SHOEMACHINERY COMPANY, OF PATER-SON, NEW JERSEY, A CORPORATION OF NEWJERSEY.

UPPER-CREASING MACHINE.

Specification of Letters Patent.

Patented Nov. 28, 1911.

To all whom "it may concern:

Be it known that I, JAMES GAVANAGH, a citizen of the United. States,residing at Boston, in the county of Suffolk and State of Massachusetts,have invented certain Improvements in Upper-Creasing Machines, of whichthe following description, in connection with the accompanying drawings,is a specification, like reference characters on the drawings indicatinglike parts in the several figures.

This invention relates to machines for use in the manufacture of shoes,and in particular to machines for shaping the upper to the marginalportion of an innersole which is provided with a shoulder, or lip.

In the manufacture of Goodyear welt shoes the upper is stretched andmade to conform to the shape of the last and is wiped in by the lastinginstrumentalities and laid upon the margin of the innersole, the upperbeing then secured in lasted position along the sides and around theheel by the usual lasting tacks which are driven through the upper,innersole and last, and usually being retained about the toe by abinding wire. lVhile the wipers of the lasting machines commonly in useoperate fairly well to place the margin of the upper against the lip, itis found that their action is not suliicient to impart to the leathersuch a permanent set as to cause the margin of the upper to be moldedagainst the lip, in order that the welt may, in the subsequent operationof attaching the welt, innersole and upper together, be laid as flatlyas possible against the upper. It has accordingly been found desirable,especially in the manufacture of the better grades of shoes, to providemeans, subsequent to the lasting operation, for forcing the margin ofthe upper against the, lip in such manner as to cause the upper toremain permanently creased or set to the the formation of a crease whichagrees with the angle at the junction of such feather edge and lip.

Another important feature of the invention consists in providing inconnection with the upper creasing or shaping means referred to, anupper blocking tool so constructed and arranged as to act upon the upperat the side of the shoe and at or adja cent to the shoe bottom, in suchmanner as to shape it to the side of the last and remove all wrinklesand irregularities in the upper. In the illustrated embodiment of theinven' tion the upper creasing means consists of a tool shaped to enterthe angle formed by the feather edge and lip of the innersole, togetherwith means for applying to such tool a series of percussional impulsesin rapid succession. The tool is preferably in the form of a disk orwheel which is mounted to rotate freely while in contact with the shoe,whereby it may be made to easily follow the curved edge of the shoewhile re maining in engagement therewith as the shoe is moved by theoperator to present successive portions to the action of the tool.Preferably, also, the blocking tool referred to is in the form of awheel or disk which is mounted for free rotation upon the same supportthat carries the upper creasing tool, and has its work-engaging edge soarranged. relatively to the edge of the creasing tool as to operate uponthe adjacent portion of the shoe upper in order that said tools maycooperate in forcing the upper snugly against the lip of the innersole,and also against the side of the last, to produce a sharp and welldefined edge.

Another feature of the invention in this connection consists insupporting the blocking tool for yielding movements relative to thecreasing tool in a direction transverse to the edge of the shoe. Thispermits the operator to so vary the relation of the peripheral edges ofthe two tools that the blocking tool may always be caused to bearagainst the upper at the shoe edge with the appropriate pressure,irrespective of the distance of the lip from the edge of the sole whichdetermines the position of the periphery of the creasing tool relativeto said edge.

Other features of the invention, including important details ofconstruction and combinations of parts, will be hereinafter moreparticularly described, and claimed.

In the drawings: Figure 1 is a View in side elevation of a machineembodying this invention, and showing a portion of a shoe in positionfor operation thereon by the tools; and Fig. 2 is an enlarged view ofthe machine, in front elevation.

The numeral 3 indicates the upper portion of the main frame of themachine which supports bearings for a shaft 5, having thereon a loosepulley 7 and a tight pulley 9. In the machine illustrated, abelt-shifter 11 is pivoted to the frame 3 for use in transferring abelt, which may receive power from a suitable source, from the loose tothe tight pulley, or vice versa.

The frame is apertured to receive a pivot bolt 10 to the opposite endsof which are secured the rear end portions of a U-shaped rocker arm 12,which arm is thereby supported for vertical movement about the bolt 10as a center. The forward portion of the arm 12 has a downwardlyextending boss 14 through which is extended a rearwardly inclined boreto receive a bolt 16. The outer end of the bolt 16 is preferablythreaded to receive the nuts 15, which secure it to the boss, and theinner end of the bolt extends beyond the boss and is provided with acollar which supports the creasing tool 18 in a manner to permit thetool to turn freely thereon. The tool 18 is provided with an annular rimor extension 20 which is shaped to press the margin of the upper intoclose engagement with the lip of an innersole and also with the featheredge, or that portion of the sole margin which surrounds and extendsoutside of the lip.

The arm 12 supports a block 22 which is provided with a forwardlyinclined bore to receive a rod 24, which freely slides in said bore. Thelower portion of the rod 24 is provided with a head 26 having a borewithin which is a bolt 28. The inner end of this bolt is preferablythreaded to receive nuts 30, which retain the bolt in the head 26, andthe outer end of the bolt extends beyond the head and is provided with acollar which supports a freely rotating wheel 32, constituting ablocking tool. The upper end of the rod 24 extends beyond the block 22and has a rigid angular extension 34, and a stop screw 36 is in threadedengagement with a bore in said extension and projects beyond theextension to engage the .upper surface of the block, the stop screwcarrying a set-nut to bear against the block and lock the screw inadjusted position. A tension spring 38 has one end connected with theblock 22, and its opposite end connected with the extension 34, andserves to yieldingly project the blocking tool 32 forwardly in adirection to engage a shoe, a distance which will be limited by theamount of projection of the stop screw 36 beyond the lower surface ofthe extension 34.

Secured to the forward portion of the frame and surrounding the shaft 5is a casing 6 which may contain a suitable hammering or beating devicefor applying to the arm or carrier 12, and hence to the tools 18 and 32,a series of rapid vibrations to cause said tools to'operate upon thework. As herein shown, such device comprises a rotary drum 40 fast onthe shaft 5, and carrying an annular series of loose rollers 42. Thecasing 6 carries a guideway 44 within which is a vertically sliding bar46, the upper end of the bar being arranged in the path of the rollers42 as they are rotated by the drum. The lower end of the bar 46 hasbearing upon the upper surface of an annular boss projecting from theforward part of the arm 12. A spring 45 is shown as connected at one endwith a stud 48 which extends laterally from the arm 12, and its otherend is fastened by a clamping nut 50, or other suitable means, to themain frame 3 at a point above the stud 48, the spring being normallyunder suflicient tension to hold the tool-carrying arm up against thebar 46. An adjustable stop screw 52 is in threaded engagement with theblock 22, and is arranged to bear against the frame 3 at a point abovesaid block, and ad ustably limit the extent of upward movement of thearm 12 due to the force exerted on the arm by the spring 45. The screw52 is shown as provided with a set nut to clamp 1t 1n its variouspositions of ad ustment to the block 22.

In operation, the belt is shifted to the fast pulley 9 and the shaft 51s rotated at a su table speed which causes the annular series ofrollers in the hammer to apply to the tools, through the bar 46 and arm12, percussional impulses in rapid successlon. The operator then takes ashoe which has been lasted and presents the same in an inclined positionto the tools in the manner shown 1n Fig. 1, the rim 20 of the creaslngtool 18 bearing against the upper and pressing 1t into close engagementwith the hp and feather edge of the innersole, and into the angle formedat the junction of these parts, while the blocking tool 32 bears againstthe upper at the side of the shoe adjacent to the shoe bottom at a pointclose to the point where the creasing tool engages the upper. The rapidvibration imparted by the hammer to the tools while thus in contact withthe shoe causes the creasing tool to beat down and compact the leatherand force it into firm engagement with the lip and margin of theinnersole in such a manner that the leather is given a permanent set andalso causes the blocking tool at the same time to beat and compact theleather at a weaver point immediately below the sole margin. Said toolsthus cooperate to form a sharp and well defined edge on the shoe, andthey also cooperate to produce a close fit between the upper end of thelip and featheredge of the innersole so that the welt may be laid flat,and in close engagement with the shoe margin, both of which resultscontribute to improve the appearance of the finished shoe. As theoperator moves the shoe along to present successive portions thereof tothe action of the tools, the tools rotate freely on their supports, theblocking tool 32 yielding, more or less, as the shoe is pressed againstit, relatively to the creasing tool as the shoe is moved varyingdistances in the direction of the tools. This relative movement of thetools is necessary in order that the rim 20 may act to hold the upperclose to the lip, irrespective of variations in width of the marginalextension between the lip or shoulder, and sole edge, which variationsoccur in most shoes of this type. The capacity for yielding possessed bythe blocking tool also enables the operator to control the force of theblots delivered against the shoe by this tool, by merely varying theamount of pressure of the shoe against the tool.

Having thus described my invention, what. I claim as new and desire tosecure by Letters Patent of the United States is:

l. A machine of the class described having, in combination, a toolshaped to force an upper into the angle formed by the lip and featheredge of an innersole, and means to impart rapid vibrations to said tool.

2. A machine of the class described ha ving, in combination, a rotarytool shaped to force an upper into the angle formed by the lip andfeather edge of an innersole, and means to impart rapid vibrations tosaid tool.

A machine of the class described, having, in combination, a movablesupport, a tool carried by the support shaped to force an upper into theangle formed by the lip and feather edge of an innersole, and meansacting on said support to impart rapid vibrations of said tool.

t. A machine of the class described having, in combination, a movablesupport, a rotary tool carried by the support shaped to force an upperinto the angle formed by the lip and feather edge of an innersole, andmeans acting on the support to impart. rapid vibrations to said tool.

5. A machine of the class described having, in combination, a toolshaped to force an upper into the angle formed by the lip and featheredge of an innersole, means for supporting the tool in an inclinedposition, and means for actuating the tool.

6. A machine of the class described having, in combination, a freelyrotatable tool shaped to force an upper into the angle formed by the lipand feather edge of an innersole, means for supporting the tool in aninclined position, and means for actuating the tool.

7. A machine of the class described having, in combination, a freelyrotatable tool shaped to force an upper into the angle formed by the lipand feather edge of an innersole, means for supporting the tool in aninclined position, and means for imparting rapid. vibrations to thetool.

8. A machine of the class described hav ing, in combination, a toolshaped to force an upper into the angle formed by the lip and featheredge of an innersole, a tool arranged to beat the side of the SlHPadjacent to the sole, and means for actuating said. tools.

S). A machine of the class described having, in combination, a toolshaped to force the upper into the angle formed by the lip and featheredge of an innersole, a tool arranged to beat the side of the shoeadjacent to the sole, and means for imparting a series of rapidvibrations to said tools.

10. A machine of the class described having, in combination, an uppercreasing tool, a blocking tool supported for yielding movements relativeto the creasing tool, and means for imparting a series of rapid vibrations to said tools.

11. A machine of the class described having, in combinatitm, an uppercreasing tool, a beating tool, said tools being supported for freerotation, and actuating means for said tools.

12. A machine of the class described having, in combination, a rotatabletool shaped to force an upper into the angle formed by the lip andfeather edge of an innersole, and a rotatable tool adapted to beat theupper at the side of the shoe and having its periphery arranged adjacentto said first-mentioned tool.

13. A machine of the class described having, in combination, a rotatabletool shaped to force an upper into the angle formed by the lip andfeather edge of an innersole, and a rotatable tool adapted to beat theupper at the side of the shoe, said tools being arranged for relativeyielding movements.

let. A machine of the class described having, in combination, arotatable tool shaped to force an upper into the angle formed by the lipand feather edge of an innersole, a rotatable tool adapted to beat theupper at the side of the shoe, said tools being arranged with theirperipheries in proper relation to cooperate in forming a sharp edge onthe shoe, and means for imparting a series of rapid vibrations to saidtools.

15. A machine of the class described having, in con'ibination, an uppercreasing too],

a blocking tool, yielding means for moving I! the blocking toolrelatively to the creasing tool, and means to determine the extent ofsaid movement.

16. A machine of the class described having, in combination, an uppercreasing tool, a blocking tool, yielding means for moving the blockingtool relatively to the creasing tool, and an adjustable stop to limitsaid movement.

17. In a machine for operating on boots and shoes, a freely rotatabletool shaped to force the upper into the angle formed by the lip andfeather edge of an innersole, a freely rotatable tool constructed andarranged. to beat the upper at the side of the shoe near the point ofengagement of the firstmen tioned tool with the shoe, a pivotal supportfor said tools, and a hammer constructed to apply to the tools throughsaid support a series of rapid vibrations.

18. In a machine for operating on boots and shoes, a pivoted support,upper creasing and blocking tools carried thereby, a ham mer forapplying rapid blows to said support in the direction of the work, andyielding means for reversely actuating the support.

19. In a machine for operating on boots and shoes, a pivoted support,upper creasing and blocking tools carried thereby, a hammer for applyingrapid blows to said support in the direction of the work, yielding meansfor moving the support in a reverse direction, and an adjustable stop tolimit the extent of said movement.

20. In a machine for operating on boots and shoes, a pivoted support,tools carried by the support and arranged for relative yieldingmovements, a hammer for applying rapid blows to the support in thedirection of the work, and yielding means for reversely actuating thesupport.

21. In a machine for operating on boots and shoes, a pivoted support,tools carried by the support and arranged for relative yieldingmovements, means to determine the normal position of one of said toolsrelative to the other, a hammer for applying rapid blows to the supportin the direction of the work, and yielding means for reversely actuating the support.

22. In a machine for operating upon shoes, the combination with a toolarranged to force an upper inwardly from the outer margin of a sole tothe shoulder thereon, of a tool for beating the upper at the side of theshoe, and actuating mechanism for said tools.

23. In a machine for operating upon shoes, the combination with a toolarranged for reciprocating movements to force an upper inwardly from theouter margin of a sole and tuck it into the angle formed by the featheredge and lip, of a blocking tool for beating the upper at the side ofthe shoe, and actuating mechanism for said tools.

24. A machine of the class described having, in'combination, an uppercreasing tool, a blocking tool, and means for reciprocating said tools.

25. A machine of the class described having, in combination, an uppercreasing tool, an upper blocking tool, and means for imparting a seriesof percussional impulses to said tools while they are in engagement withthe work.

26. A machine of the class described having, in combination, an uppercreasing tool, a blocking tool supported for yielding movementstransverse to the axis of the creasing tool, and actuating means forsaid tools.

27. A machine of the class described having, in combination, an uppercreasing tool, a blocking tool supported for yielding movementstransverse to the axis of the creasing tool, and means for imparting aseries of rapid vibrations to said tools.

28. A machine of the class described having, in combination, a rotaryupper creasing tool and a rotary blocking tool mounted for relativemovements transversely of their axes.

29. A machine of the class described having, in combination, a rotaryupper creasing tool and a rotary blocking tool arranged for relativemovements transversely of their axes, and yielding means acting tomaintain said tools with their axes in substantial alinement.

30. A machine of the class described having, in combination, an upperblocking tool, and an upper creasing tool having a rim to hold the upperclose to the shoulder on an innersole, said tools being mounted for freerotation and relatively movable transversely of their axes, and yieldingmeans to hold the blocking tool against the side of a shoe.

31. A machine of the class described having, in combination, a creasingtool and a blocking tool, supporting means for said tools constructed topermit bodily movement of the blocking tool relatively to the creasingtool, means to impart vibratory movements to the tools, and yieldingmeans acting on the blocking tool arranged to permit the operator tovary the force delivered by said tool to the work.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

JAMES CAVANAGH. lVitnesses:

ARTHUR L. RUssnLL, HERBERT WV. KnNwnY.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, I). C.

ions in Letters Patent No. 1,90%),

street It is hereby certified that in Letters Patent No. 1,009,721,granted November 28,

1911, upon the application of Janiee Uavanagh, of Boston, Massztchueottefor an iinprovement in Upper-creasing l viacllinee," errors appear inthe printed epeeiiication requiringcorrection as follows: Page 3, line5, for the words end of read and; and same page, line 50, for the Wordof" read to; and that the said Letters Patent should be read with thesecorrections therein that the same may conform to the record of the casein the Patent Ufliee.

Signed and sealed this 26th day of December, A. D., 1911.

[SEAL] C. C. BILLINGS,

Acting (/h'm /njss oiier of Patents.

